<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>day1</title>
</head>
<body>
    <!-- 这个 div 供 Vue 实例使用 -->
    <div id="app"></div>
    <script src="../dist/day1.js"></script>
</body>
</html>